QuestionQUESTION: The Heating/cooling fan only works on the #4 setting. How do I find out if the problemjitlp is the switch or the fan motor or any relay/fuse in between?
ANSWER: blower motor resistor
---------- FOLLOW-UP ----------
QUESTION: Exactly where is the blower motor resistor?
AnswerREMOVAL
WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
Disconnect and isolate the battery negative cable.
Remove the glove box from the Instrument Panel(Refer to 23 - BODY/INSTRUMENT PANEL/GLOVE BOX - REMOVAL).
Pull out the lock on the blower motor resistor wire harness connector to unlock the connector latch.
Depress the latch on the blower motor resistor wire harness connector and unplug the connector from the resistor.
Remove the two screws that secure the resistor to the heater-A/C housing.
Remove the resistor from the heater-A/C housing.
